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Qun Wang,Xueli Gao,Zhun Ma,Jian Wang,Xiaojuan Wang,Yang Yang,Congjie Gao 한국공업화학회 2018 Journal of Industrial and Engineering Chemistry Vol.64 No.-
For PES-based TFC FO membranes, a significant water flux surge occurred after a moderate ultrasonic irradiation. The Change in membrane transport parameters illustrated that internal concentration polarization (ICP) was weakened due to decreased structural parameter. Combined water flux enhancement via real-time ultrasonic irradiation was obtained and related to the CP effect and membrane orientation. Increasing irradiation intensity was more suitable in PRO mode than in FO mode. Low FS concentration in concentration combinations represented high ratio of ultrasonic-induced flux increment to energy input. Multiplying concentration difference was beneficial to obtain high conversion ratio of ultrasonic power to water flux.
( Qun Xia Li ),( Hong Lian Zhang ),( Yi Shan Lu ),( Jia Cai ),( Bei Wang ),( Ji Chang Jian ) 한국미생물 · 생명공학회 2015 Journal of microbiology and biotechnology Vol.25 No.3
Nocardia salmonicida is one of the main pathogens of fish nocardiosis. The purpose of this study was to build a loop-mediated isothermal amplification (LAMP) method for the rapid and sensitive detection of N. salmonicida. A set of four primers were designed from the 16S-23S rRNA intergenic spacer region of N. salmonicida, and conditions for LAMP were optimized as incubating all the reagents for 60 min at 64°C. LAMP products were judged with agar gel electrophoresis as well as with the naked eye after the addition of SYBR Green I. Results showed the sensitivity of the LAMP assay was 1.68 × 103 CFU/ml (16.8 CFU per reaction) and 10-fold higher than that of PCR. The LAMP method was also effectively applied to detect N. salmonicida in diseased fish samples, and it may potentially facilitate the surveillance and early diagnosis of fish nocardiosis.
KBTBD7, a novel human BTB-kelch protein, activates transcriptional activities of SRE and AP-1
( Jun Jian Hu ),( Wu Zhou Yuan ),( Ming Tang ),( Yue Qun Wang ),( Xiong Wei Fan ),( Xiao Yang Mo ),( Yong Qing Li ),( Zao Chu Ying ),( Yong Qi Wan ),( Karen Ocorr ),( Rolf Bodmer ),( Yun Deng ),( Xiu 생화학분자생물학회 2010 BMB Reports Vol.43 No.1
Chunpeng Yu,Jian Li,Qun Li,Shuai Chang,Yufeng Cao,Hui Jiang,Lingling Xie,Gang Fan,Song Wang 한국미생물학회 2022 The journal of microbiology Vol.60 No.11
Due to the evolutionary arms race between hosts and viruses, viruses must adapt to host translation systems to rapidly synthesize viral proteins. Highly expressed genes in hosts have a codon bias related to tRNA abundance, the primary RNA translation rate determinant. We calculated the relative synonymous codon usage (RSCU) of three hepatitis viruses (HAV, HBV, and HCV), SARS-CoV-2, 30 human tissues, and hepatocellular carcinoma (HCC). After comparing RSCU between viruses and human tissues, we calculated the codon adaptation index (CAI) of viral and human genes. HBV and HCV showed the highest correlations with HCC and the normal liver, while SARS-CoV-2 had the strongest association with lungs. In addition, based on HCC RSCU, the CAI of HBV and HCV genes was the highest. HBV and HCV preferentially adapt to the tRNA pool in HCC, facilitating viral RNA translation. After an initial trigger, rapid HBV/HCV translation and replication may change normal liver cells into HCC cells. Our findings reveal a novel perspective on virus-mediated oncogenesis.
Liu Peilin,Wang Zhiqian,Jian Zijuan,Liu Xuan,Li Yanming,Yan Qun,Zhong Baiyun,Liao Mengting,Liang Xianghui,Liu Wenen 한국미생물·생명공학회 2023 Journal of microbiology and biotechnology Vol.33 No.5
Nocardiosis is an uncommon opportunistic bacterial infection which becomes a significant health problem due to its increasing incidence and high mortality rate. However, many nocardiosis patients are underdiagnosed by physicians. To summarize the clinical characteristics and management of nocardiosis would help with better diagnosis and prognosis of nocardiosis. This retrospective study was conducted based on the medical records of nocardiosis patients between January 2015 and December 2021 in a tertiary hospital in China. Overall, 44 nocardiosis patients with 54 specimens were included. The patients consisted of 26 males and 18 females with a mean age of 50.4 ± 13.2 years. Among 44 patients, 26 (59.1%) were previously given immunosuppressive therapy. Connective tissue diseases (CTDs) were the most common underlying disease (16/44). The most frequent infection sites were the lungs (17/44) and skin or soft tissues (8/44). Common symptoms included cough (23/44), expectoration (18/44), fever (15/44), and subcutaneous abscesses (15/44). Forty-five out of 54 specimens (83.3%) required over 48 hours of culture time for nocardiosis detection. Thirty-six patients were cured or improved, 5 patients were discharged from the hospital due to poor prognosis, and 1 patient died. The average diagnosis time of poor prognosis cases was 19.7 days, which was significantly longer than those of improved or cured patients (7.3 days). Immunosuppressed patients comprise a large part of nocardiosis cases, which is worth attention in clinical practice. Early diagnosis, specifically through prolonged cultivation time of specimen, could help achieve better prognosis of nocardiosis patients.
Yang, Nian-Qin,Zhang, Jian,Tang, Qun-Ye,Guo, Jian-Ming,Wang, Guo-Min Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.15
To investigate the role of miR-1297 and the tumor suppressor gene PTEN in cell proliferation of testicular germ cell tumors (TGCT). MTT assays were used to test the effect of miR-1297 on proliferation of the NCCIT testicular germ cell tumor cell line. In NCCIT cells, the expression of PTEN was assessed by Western blotting further. In order to confirm target association between miR-1297 and 3'-UTR of PTEN, a luciferase reporter activity assay was employed. Moreover, roles of PTEN in proliferation of NCCIT cells were evaluated by transfection of PTEN siRNA. Proliferation of NCCIT cells was promoted by miR-1297 in a concentration-dependent manner. In addition, miR-1297 could bind to the 3'-UTR of PTEN based on luciferase reporter activity assay, and reduced expression of PTEN at protein level was found. Proliferation of NCCIT cells was significantly enhanced after knockdown of PTEN by siRNA. miR-1297 as a potential oncogene could induce cell proliferation by targeting PTEN in NCCIT cells.
HCV, Alcoholic : PE-097 ; Application of clinical staging for Primary biliary cirrhosis
( Xu Yun ),( Li Jian Sheng ),( Wang Qun Ying ),( Et Al ) 대한간학회 2012 춘·추계 학술대회 (KASL) Vol.2012 No.-
Background: The clinical manifestations of primary biliary cirrhosis are diverse and complex. The clinical manifestations of different clinical period are different. There are certain limitations to the role of the clinical diagnosis and treatment by previous pathological stage. Our objective is to investigate the c1inical staging for primary biliary cirrhosis (PBC). Methods: Ninety six patients diagnosed of PBC in three periods (1995-1998 13 cases, 1999-2002 11 cases, 2003-2007 66 cases) were enrolled and their clinical manifestation and biochemica1 indicators were observed. The liver biopsy and therapeutic effects were evaluated. Results: The early diagnostic rate had increased in recent years. Since 2003, 19 asymptomatic (4 with porta1 hypertention and 7 with splenohepatomegalia) and 2 early presymptomatic cases were diagnosed. There was no statistical difference in pruritus, lipoid granuloma, osteopathis, and night-blindness between symptomatic and decompensated patients (p > 0.05), while there was significant difference in lethargy, jaundice, portal hypertension, ascites, splenohepatomegalia and the incidence of other immune diseases between two groups (p<0.05). There was significant difference in levels of a1kaline phosphatase and IgM among patients in three periods. The levels of GGT were 36.75± 1.77, 303.71±82.15, 513.68±289.85 of u/L in presymptomatic, asymptomatic and symptomatic stage, respectively (p < 0.01). The patients in asymptomatic and symptomatic stage had histological changes of any pathologic stage. Ursodeoxycholic acid treatment could improve biochemical indicator of asymptomatic patients. The outcome of patients received treatment in asymptomatic stage was better than those in symptomatic stage. Conclusions: The clinical staging may result of early diagnosis of PBC and the early treatment will be more effective.